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A superluminescent diode (SLED or SLD) is an edge-emitting semiconductor light source based on superluminescence. It combines the high power and brightness of laser diodes with the low coherence of conventional light-emitting diodes. Its emission band is 5–100 nm...

Wide bandgap semiconductors are semiconductor materials with electronic band gaps significantly larger than one electron volts (eV). The exact threshold of "wideness" often depends on the context, but for common usage, "wide" bandgap typically refers to material...

An IMPATT diode (IMPact ionization Avalanche Transit-Time) is a form of high-power diode used in high-frequency electronics and microwave devices. They are typically made with silicon carbide owing to their high breakdown fields.
They operate at frequencies between...